31.

The infloresence in Mimosa pudica is

• Umbel

• Spike

• Corymb

• glabose head

Which of the following represents the class of Tubifex?

• Echiurida

• Archiannetida

• Hirudinea

• Oligochaeta

Choose the option representing the incorrect match of different feature of major classes of algae.

• Class	Cell wall	Dominant pigment
  Chlorophyceae	Cellulose + pectic material	Chl a and b, $\mathrm{\alpha }$ and $\mathrm{\beta }$ carotene

• Phaeophyceae

  Silica + pectic material

  Chl a and c, $\mathrm{\beta }$ carotene

• Rhodophyceae

  Pectic material + cellulose

  Chl a and d, carotene

• Cyanophyceae

  Mucopeptide + Mumaric acid

  Chl a, $\mathrm{\beta }$ carotene

Select the mismatch from those given below.

• Noctiluca bioluminescence

• Gonyaulax catenella saxitoxin

• Pyrodinum red tide

• Ceratium-zygotic meiosis

Receptacle of antheridiophore and archegoniophore of Marchantia respectively are

• 8 lobed, 9 rays

• 6 lobed, 4 rays

• 9 lobed, 5 rays

• 2 lobed, 6 rays

The Floral formula of tobacco is

• Br${\oplus }_{+}$O^$\to$K₍₅₎ C₍₅₎ A₅ G₍₂₎

• ${\oplus }_{+}$O^$\to$K_{6 - 5} A₁₀ G₍₂₎

• Br${\oplus }_{+}$O^$\to$K_{2 + 2} C₄ A_{2 + 4} G₁(d)

• ${\oplus }_{+}$O^$\to$P₂ A₃ G₁

The metrics described by whittaker which takes into account the number of species and their eveness is

• Shannon index

• Beta diversity

• Species richness

• Simpson index

Identify the correct match from the type of amino acids and their respective example.

• Neutral - Proline (Pro)

• Acidic - Asparagine (Asn)

• Aromatic - Tryptophan (Try)

• S-containing - Methionine (met)

Study the following statements with reference to drugs and choose the incorrect one

I. Barbiturates cause sleeplessness.

II. Opioids are obtained from the leaves of Erythroxylum coca.

III. Morphine is a very effective sedative and pain killer.

IV. Cocaine is obtained from Indian hemp plant.

• I, II, III

• II, III, IV

• I, III, IV

• I, II, IV

During fertilisation, zona pellucida is dissolved by

• hyaluronidase

• hyaluronic acid

• renin

• acrosin